This paper discusses and analyzes a class of likelihood models which are based on two distributional innovations in financial models for stock returns. That is, the notion that the marginal distribution of aggregate returns of log-stock prices are well approximated by generalized hyperbolic distributions, and that volatility clustering can be handled by specifying the integrated volatility as a...

The variationist sociolinguistics model assumes that the human language faculty accommodates and generates language variation, and that the workings of grammar may have a quantitative and non-categorical component. By means of the linguistic variable, one describes and analyzes orderly heterogeneity in language use. The linguistic variable as a structural unit depends on the model of syntax one...